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Silicon Labs Datasheets for Radio Receiver ICs

Radio receiver ICs support worldwide radio band requirements, including frequency modulation (FM), FM radio data system (RDS), amplitude modulation (AM), long wave (LW), short wave (SW), and weather bands.
Radio Receiver ICs: Learn more

Product Name Notes
Features Worldwide FM band support (64~108 MHz) Supports integrated antenna Seek tuning Automatic frequency control (AFC) and automatic gain control (AGC) Adjustable seek parameters Adjustable mono/stereo blend
Features Worldwide FM band support (76–108 MHz Seek tuning Automatic frequency control (AFC) and automatic gain control (AGC) Excellent overload immunity Programmable de-emphasis (50/75 μs) Adaptive noise suppression
The Si4311 standalone 315/434 MHz FSK RF receiver accepts an FSK modulated RF input and outputs demodulated digital data without requiring an external MCU to configure the device. Frequency range:...
The Si4320 is a single-chip, low-power, multi-channel FSK RF receiver designed for use in applications requiring FCC or ETSI conformance for unlicensed use in the 315 MHz, 433 MHz, 868...
The Si4322 single-chip, low-power, multi-channel FSK receiver is designed for use in applications requiring FCC or ETSI conformance for unlicensed use in the 868 and 915 MHz bands. Used in...
The Si4330 is a low power, highly sensitive, OOK/FSK and GFSK receiver. A member of the EZRadioPRO® family, it is designed for applications requiring FCC or ETSI conformance for unlicensed...
The Si4702/03 FM radio receiver ICs extend Silicon Labs' Si4700/01 FM tuner family and increase the ease and attractiveness of adding FM radio reception to mobile devices through small size...
The Si4704/05 enhanced FM receiver family is the most advanced portable solution available today offering embedded antenna support, digital audio out, worldwide FM band support and highly flexible, mature and...
The Si4707 IC is the industry's first weather band (WB) radio receiver to include a specific area message encoding (SAME) processor. Offering unmatched integration and PCB space savings, the Si4707...
The Si4730/31 ICs are the industry's first fully integrated, 100% CMOS AM/FM radio receivers. The Si4730/31 AM/FM radio ICs provide the space savings and low-power consumption necessary for portable devices...
The Si4734/35 ICs are the industry's first fully integrated, 100% CMOS AM/FM/SW/LW radio receivers. Offering unmatched integration and PCB space savings, the Si4734/35 requires minimal external components and less than...
The Si4736/37 ICs are the industry's first fully integrated, 100% CMOS AM/FM/WB and FM/WB radio receivers. Offering unmatched integration and PCB space savings, the Si4736/37 ICs require only two external...
The Si4738/39 ICs are the industry's first fully integrated, 100% CMOS AM/FM/WB and FM/WB radio receivers. Offering unmatched integration and PCB space savings, the Si4736/37/38/39 ICs require only two external...
The Si477x AM/FM receiver family is the most integrated high performance radio receiver solution for high-end consumer audio/video receiver (AVR) equipment, as well as the professional audio (pro-audio) market. The...